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- is formed in a quar- C6-67 The lever shown in Fig. ter circular arc of radius 20 in. Plot A and B, the magnitude of the pin force at A and the force on the smooth support B, as a function of e (0° s 0s 85°), the angle at which the support is located. 125 lb B A 20 in.NAME Question 1 (6/20) ANSWER ON THE YELLOW PAGES The nose wheel of the landing gear of an aircraft is extended and retracted by applying a torque M to the rod BC by means of an shaft located at point B. The rod AO, on which the landing wheel is also located, has a combined mass of 100 kg which may be simplified to a point force at point G. The masses of the bars CD and BC may be neglected. If the point D is located underneath point B, the rod CD is at an angle of 30° to the vertical y-axis. At this position the landing gear should be kept stationary, dynamic effects may therefore be neglected. All components are made out of stainless steel with max=200 MPa and Imax = 75 MPa. ALO d. 800 mm 400 mm 200 mm B 300 D M 500 mm OC 500 mm A D Questions, also draw all relevant free-body diagrams: a. Calculate the magnitude of the reaction force at point A. b. Calculate the minimum diameter of the pin in point A. The connection in point A is realized as shown on the right figure. Use a safety…Problem Statement Based on Problem 4-59 from the textbook. The board is used to hold the end of the cross lug wrench in the position shown. If a torque of 30 N*m about x axis is required to tighten the nut, determine the required magnitude of the force F needed to turn the wrench. Force F lies in a verticla plane. = 280 mm b=235 mm -Fach Student: b Z 60° a - y
- Problem Statement Based on Problem 4-59 from the textbook. The board is used to hold the end of the cross lug wrench in the position shown. If a torque of 30 N*m about x axis is required to tighten the nut, determine the required magnitude of the force F needed to turn the wrench. Force F lies in a verticla plane. a=275mm b=230mmPulley A delivers a steady torque of 1100 lb-in. To a pump through its shaft at C. The tension in the lower side of the belt is 165 lb. The driving motor weighs 200 lb and rotates clockwise. Determine the bearing reaction force at O. A 9" B 30° 37 8" 150 lb - 5"-- 5"-A wheel radius 0.4meter has mass 3kg se figure. Center of wheel goes a rope to point A, the wheel has contact with the edge of the table in point B. An mass of 2kg is hanging from the edge of wheel in point C. Find the tention force for the rope attached in the centrum of the wheel.and point A
- The wheels, axle, and handles of a wheelbarrow W=62N. The load chamber and its contents weigh Wl=575N. The drawing chose leave to Forsyth and different wheelbarrow designs to support the wheelbarrow and equilibrium the man's hands apply a force to the handles that is directly vertically upward. consider the rotational axis at the point where the tire contacts the ground, directed perpendicular to the plane of the paper. Find the magnitude of the Man's force for both designsEquilibrium of Concurrent Force System. The piston of a reciprocating engine exerts a force of 175 kN on the crosshead when the crank is 45° (angle B) past TDC. If the stroke of the piston is 800 mm and the length of the connecting rod is 1.80 m, find the guide force and the force in the connecting rod. Hint: 1=½ stroke; Angle o may be solved using Sine Law in AACO. K= Compressive Force in the connecting Rod E= Piston Effort 70 120 F, = Guide Force Fig. P-1 Fig. P-2 a Tools: EF cos0=0; F sin .=0. R = Ev)* + (E#): ; R 771 =- : tane = sin A sin B sin CQuestion 2: A prop shaft of a heavy-duty truck has two bearings which are positioned at 3 metres from each other. The shaft must rotate at 30 rad/s when the truck travels at the speed of 40 m/s. Such a shaft carries two masses of (MA = 10 kg) and (MB = 5 kg) acting at the extremities of the arms 0.45 m and 0.6 m long, respectively. The planes in which these masses rotate are 1.2 m and 2.4 m,
- For the same question, the Driving force (pressing force) of the Nut will be measured with the Torque wrench. While tightening the nut, the contact surface rubs against the fixed surfaces. Accordingly, how much MOMENT do we need to read from the Torque wrench in order to create a force of Fçak=1101 kgf? (Given: Screw pitch M30, Root diameter d1=25.8 mm) Outer diameter of the friction surface under the nut D42 mmFriction coefficient μ=0.6The compound pulley shown has a weight of 1600 N and the radius of gyration (k = 2 m). Find the tension in the cord supporting the 1500-N weight (TA) and tension supporting the 2000-N weight (TB) as shownThe tractor shovel shown ,carries a 530 kg load that has its center of mass at HH. The shovel’s dimensions are: a = 51.0 mm, b = 204 mm, c = 306 mm, d = 102 mm, and e = 357 mm. Find the reaction force at E(Ex and Ey). Assume that the positive direction of the x and y axes is to the right and upward, respectively.